MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Plastic or al; o/a 9.344 in. Lg 4.875 in. W 0.313 in. Thk; furnished w/case; 1 sc ea yellow fluorescent on black or black on al ea corrected alt true airspeed and miles 10 to 99 log type units range 1/10 log unit sm increment grad, calibrated alt calibrated airspeed and min 10 to 99 log type units range 1/10 log unit sm increment grad, hr 1 to 10 hr range 5 min sm increment grad, pressure alt m1000 to p34000 ft range 1000 ft sm increment grad, pressure alt m2000 to p36000 ft range 2000 ft sm increment grad, air temp m50 to p50 degrees c range 5 degrees c sm increment grad, true index drift and var 45 to 0 to 45 degrees range 1 degrees sm increment grad, zn 0 to 360 degrees range 1 degrees sm increment grad, green on white ea sliding drift 30 to 300 miles w/0 to 56 degrees maximum left and rt drift range 2 miles 2 degrees drift below and 1 degrees above 100 miles sm increment grad, sliding drift 230 to 400 miles w/0 to 14 degrees maximum left and rt drift range 2 mile and 1 degrees drift sm increments grad, sliding rect grid 0 to